ZooKeeper role

This role automates the maintenance of a ZooKeeper cluster.

In the context of the software we use, this could currently be leveraged as an alternative to either multicast or avahi/mDNS.

Configuration

inventory file

[zookeeper:children]
zookeeper-somedc-prod

[zookeeper-somedc-prod:children]
zookeeper1-somedc-prod

[zookeeper1-somedc-prod]
node1.zookeeper.somedc.prod1  ansible_ssh_host=172.16.0.101 zoo_id=1
node2.zookeeper.somedc.prod1  ansible_ssh_host=172.16.0.102 zoo_id=2
node3.zookeeper.somedc.prod1  ansible_ssh_host=172.16.0.103 zoo_id=3

[zookeeper1-somedc-prod:vars]
# Must be set to the name of the subgroup
zookeeper_cluster_name = zookeeper1-somedc-prod

See also

• Hortonworks installation minimal requirements
• Article on how to set up a ZooKeeper cluster